adoroszlai commented on PR #10671:
URL: https://github.com/apache/ozone/pull/10671#issuecomment-5829365218

   Thanks @chihsuan for checking.
   
   > * `TestOmSnapshotFileSystem` is an abstract test class; its nested test 
suites are discovered through `TestOzoneSnapshotsNonHA`.
   
   There are many cases like this, where several test classes were grouped to 
run on the same mini cluster.  Most of the grouping classes are in the 
`org.apache.ozone.test` package, which is always added to `test-classes`:
   
   
https://github.com/apache/ozone/blob/d16ea56667fae637ef29d5795f26beab5c4f5beb/dev-support/ci/selective_ci_checks.sh#L278-L279
   
   Looks like `TestOzoneSnapshotsNonHA` should be moved to that package.
   
   > * `TestOmKeyInfo` and `TestOMKeyCreateResponse` are test classes with 
subclasses whose names differ.
   
   - `TestOMFileCreateResponseWithFSO` duplicates 
`TestOMKeyCreateResponseWithFSO`, can be deleted.
   - `TestOmKeyInfo` vs. `TestOmKeyInfoWithHadoop2`: I don't really know how to 
   
   > * `TestContainerCorruptions` and `TestRawSstFileRecords` are helpers, 
while `TestOMLifecycleConfigurationRequest` is a base class.
   
   Looks like more renaming is needed.
   
   > wondering if it's worth guarding against new cases sneaking in. A couple 
of ideas, perhaps for later:
   > ...
   > - Check whether a changed `Test*` class is a test class or a helper/base 
class.
   
   If we can come up with criteria to distinguish between the two (in CI).
   
   > - Include subclasses of changed test classes when selecting tests.
   
   That would be a nice follow-up, may be able to remove the `WithFSO` hack.
   
   > I’m not sure either check is worth the added complexity, but I wanted to 
flag the cases I found.
   
   Thanks!


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